Search a number
-
+
12810592 = 25400331
BaseRepresentation
bin110000110111…
…100101100000
3220002211211101
4300313211200
511234414332
61134324144
7213613444
oct60674540
926084741
1012810592
11725a873
124359654
132866c42
1419b6824
1511d0ae7
hexc37960

12810592 has 12 divisors (see below), whose sum is σ = 25220916. Its totient is φ = 6405280.

The previous prime is 12810583. The next prime is 12810607. The reversal of 12810592 is 29501821.

It is a super-2 number, since 2×128105922 = 328222534780928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12810592.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200134 + ... + 200197.

It is an arithmetic number, because the mean of its divisors is an integer number (2101743).

Almost surely, 212810592 is an apocalyptic number.

It is an amenable number.

12810592 is a deficient number, since it is larger than the sum of its proper divisors (12410324).

12810592 is an equidigital number, since it uses as much as digits as its factorization.

12810592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400341 (or 400333 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12810592 is about 3579.1887348951. The cubic root of 12810592 is about 233.9859245923.

The spelling of 12810592 in words is "twelve million, eight hundred ten thousand, five hundred ninety-two".

Divisors: 1 2 4 8 16 32 400331 800662 1601324 3202648 6405296 12810592